What you don't know about sushi

SushiIf you are a sushi lover and thought that the freshest sushi was made in the soonest possible time after the fish is caught, this will be a big surprise -- good sushi are made from fish which is at least a few days old.

Fresh fish is delicious if you just caught some trout and cooked it over the campfire with some lemon and butter. But try to eat the same fresh fish raw, and you're likely to be disappointed.

The reason for this, according to Corson, is that the enzymes in fish flesh start to break down the muscle once a fish dies. And that breakdown actually creates smaller molecules that are detectable as flavorful by the human tongue.

Most of the sashimi that we eat in restaurants has been flash frozen using liquid nitrogen. This process kills many of the germs and worms that can develop in fish flesh, but doesn't cause any physical deterioration of the meat.

Source: Wisebread
Image: Kurafire / Flickr
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